Description of the illustration lead.eps
LEAD { ( value_expr [, offset [, default]] ) [ { RESPECT | IGNORE } NULLS ] | ( value_expr [ { RESPECT | IGNORE } NULLS ] [, offset [, default]] ) } OVER ([ query_partition_clause ] order_by_clause)
LEAD { ( value_expr [, offset [, default]] ) [ { RESPECT | IGNORE } NULLS ] | ( value_expr [ { RESPECT | IGNORE } NULLS ] [, offset [, default]] ) } OVER ([ query_partition_clause ] order_by_clause)